Ant. Blunt, brush, abrupt; cynical, sarcastic; harsh, unmannerly, uncomplimentary.
Under-. A prefix meaning beneath or below. Words whose meaning is simply that of the root word with the meaning of the prefix added are omitted in this place, and their synonyms and antonyms may be formed in many cases from those of the root word.
Under, prep. Below, beneath, underneath.
Ant. Above, upon, over.
Understand. Know, comprehend; learn, be informed, hear; recognize, interpret; imply, assume; apprehend, discern, see, perceive, conceive, penetrate.
Ant. Misunderstand, miscomprehend, misinterpret; declare, state; express, inform.
Understanding. Sense, intelligence, conception, perception, discernment, knowledge, intuition, cognition, reason; interpretation; mind, brains.
Ant. Insensibility, stupidity, dulness, obtuseness, senselessness, slowness, irrationality, sluggishness, ignorance, unintelligence.
Undertake. Engage, enter, set about, attempt; covenant, contract; guarantee, promise, affirm; project, commence; stipulate.
Ant. Abandon, drop, desist, discontinue, decline; complete, finish, end, terminate.